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Comparing deliantra/server/include/map.h (file contents):
Revision 1.76 by root, Mon May 28 21:15:56 2007 UTC vs.
Revision 1.107 by root, Sat Dec 27 08:41:44 2008 UTC

1/* 1/*
2 * This file is part of Crossfire TRT, the Multiplayer Online Role Playing Game. 2 * This file is part of Deliantra, the Roguelike Realtime MMORPG.
3 * 3 *
4 * Copyright (©) 2005,2006,2007 Marc Alexander Lehmann / Robin Redeker / the Crossfire TRT team 4 * Copyright (©) 2005,2006,2007,2008 Marc Alexander Lehmann / Robin Redeker / the Deliantra team
5 * Copyright (©) 2002-2005,2007 Mark Wedel & Crossfire Development Team 5 * Copyright (©) 2002-2005,2007 Mark Wedel & Crossfire Development Team
6 * Copyright (©) 1992,2007 Frank Tore Johansen 6 * Copyright (©) 1992,2007 Frank Tore Johansen
7 * 7 *
8 * Crossfire TRT is free software; you can redistribute it and/or modify it 8 * Deliantra is free software: you can redistribute it and/or modify
9 * under the terms of the GNU General Public License as published by the Free 9 * it under the terms of the GNU General Public License as published by
10 * Software Foundation; either version 2 of the License, or (at your option) 10 * the Free Software Foundation, either version 3 of the License, or
11 * any later version. 11 * (at your option) any later version.
12 * 12 *
13 * This program is distributed in the hope that it will be useful, but 13 * This program is distributed in the hope that it will be useful,
14 * WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY 14 * but WITHOUT ANY WARRANTY; without even the implied warranty of
15 * or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License 15 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
16 * for more details. 16 * GNU General Public License for more details.
17 * 17 *
18 * You should have received a copy of the GNU General Public License along 18 * You should have received a copy of the GNU General Public License
19 * with Crossfire TRT; if not, write to the Free Software Foundation, Inc. 51 19 * along with this program. If not, see <http://www.gnu.org/licenses/>.
20 * Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
21 * 20 *
22 * The authors can be reached via e-mail to <crossfire@schmorp.de> 21 * The authors can be reached via e-mail to <support@deliantra.net>
23 */ 22 */
24 23
25/* 24/*
26 * The maptile is allocated each time a new map is opened. 25 * The maptile is allocated each time a new map is opened.
27 * It contains pointers (very indirectly) to all objects on the map. 26 * It contains pointers (very indirectly) to all objects on the map.
30#ifndef MAP_H 29#ifndef MAP_H
31#define MAP_H 30#define MAP_H
32 31
33#include <tr1/unordered_map> 32#include <tr1/unordered_map>
34 33
34#include "region.h"
35#include "cfperl.h" 35#include "cfperl.h"
36 36
37/* We set this size - this is to make magic map work properly on 37/* We set this size - this is to make magic map work properly on
38 * tiled maps. There is no requirement that this matches the 38 * tiled maps. There is no requirement that this matches the
39 * tiled maps size - it just seemed like a reasonable value. 39 * tiled maps size - it just seemed like a reasonable value.
47#define MAGIC_MAP_SIZE 50 47#define MAGIC_MAP_SIZE 50
48#define MAGIC_MAP_HALF MAGIC_MAP_SIZE/2 48#define MAGIC_MAP_HALF MAGIC_MAP_SIZE/2
49 49
50#define MAP_LAYERS 3 50#define MAP_LAYERS 3
51 51
52/* Values for in_memory below. Should probably be an enumerations */ 52// tile map index
53enum { 53enum {
54 MAP_IN_MEMORY, 54 TILE_UP = 0,
55 TILE_RIGHT = 1,
56 TILE_DOWN = 2,
57 TILE_LEFT = 3,
58};
59
60/* Values for in_memory below */
61enum {
62 MAP_ACTIVE,
63 MAP_INACTIVE, // not used atm.
55 MAP_SWAPPED, 64 MAP_SWAPPED,
56 MAP_LOADING, 65 MAP_LOADING,
57 MAP_SAVING, 66 MAP_SAVING,
58}; 67};
59 68
62 * where it is known the map is not tiled or the values are known 71 * where it is known the map is not tiled or the values are known
63 * consistent (eg, op->map, op->x, op->y) 72 * consistent (eg, op->map, op->x, op->y)
64 */ 73 */
65// all those macros are herewith declared legacy 74// all those macros are herewith declared legacy
66#define GET_MAP_FLAGS(M,X,Y) (M)->at((X),(Y)).flags () 75#define GET_MAP_FLAGS(M,X,Y) (M)->at((X),(Y)).flags ()
67#define GET_MAP_LIGHT(M,X,Y) (M)->at((X),(Y)).light
68#define GET_MAP_OB(M,X,Y) (M)->at((X),(Y)).bot 76#define GET_MAP_OB(M,X,Y) (M)->at((X),(Y)).bot
69#define GET_MAP_TOP(M,X,Y) (M)->at((X),(Y)).top 77#define GET_MAP_TOP(M,X,Y) (M)->at((X),(Y)).top
70#define GET_MAP_FACE_OBJ(M,X,Y,L) (M)->at((X),(Y)).faces_obj[L] 78#define GET_MAP_FACE_OBJ(M,X,Y,L) (M)->at((X),(Y)).faces_obj[L]
71#define GET_MAP_MOVE_BLOCK(M,X,Y) (M)->at((X),(Y)).move_block 79#define GET_MAP_MOVE_BLOCK(M,X,Y) (M)->at((X),(Y)).move_block
72#define GET_MAP_MOVE_SLOW(M,X,Y) (M)->at((X),(Y)).move_slow 80#define GET_MAP_MOVE_SLOW(M,X,Y) (M)->at((X),(Y)).move_slow
99 * used in the get_map_flags value - that function is used to return 107 * used in the get_map_flags value - that function is used to return
100 * the flag value, as well as other conditions - using a more general 108 * the flag value, as well as other conditions - using a more general
101 * function that does more of the work can hopefully be used to replace 109 * function that does more of the work can hopefully be used to replace
102 * lots of duplicate checks currently in the code. 110 * lots of duplicate checks currently in the code.
103 */ 111 */
104#define P_OUT_OF_MAP 0x10000 /* This space is outside the map */ 112#define P_OUT_OF_MAP 0x10000 /* This space is outside the map */
105#define P_NEW_MAP 0x20000 113#define P_NEW_MAP 0x20000 /* Coordinates passed result in a new tiled map */
106 /* Coordinates passed result in a new tiled map */
107
108/* P_NO_PASS is used for ob_blocked() return value. It needs
109 * to be here to make sure the bits don't match with anything.
110 */
111#define P_NO_PASS 0x80000
112 114
113/* Instead of having numerous arrays that have information on a 115/* Instead of having numerous arrays that have information on a
114 * particular space (was map, floor, floor2, map_ob), 116 * particular space (was map, floor, floor2, map_ob),
115 * have this structure take care of that information. 117 * have this structure take care of that information.
116 * This puts it all in one place, and should also make it easier 118 * This puts it all in one place, and should also make it easier
117 * to extend information about a space. 119 * to extend information about a space.
118 */ 120 */
121INTERFACE_CLASS (mapspace)
119struct mapspace 122struct mapspace
120{ 123{
124 object *ACC (RW, bot);
121 object *bot, *top; /* lowest/highest object on this space */ 125 object *ACC (RW, top); /* lowest/highest object on this space */
122 object *faces_obj[MAP_LAYERS];/* face objects for the 3 layers */ 126 object *ACC (RW, faces_obj[MAP_LAYERS]);/* face objects for the 3 layers */
127 uint32_t smell; // the last count a player was seen here, or 0
128 static uint32_t smellcount; // global smell counter
123 uint8 flags_; /* flags about this space (see the P_ values above) */ 129 uint8 flags_; /* flags about this space (see the P_ values above) */
124 sint8 light; /* How much light this space provides */ 130 sint8 ACC (RW, light); /* How much light this space provides */
125 MoveType move_block; /* What movement types this space blocks */ 131 MoveType ACC (RW, move_block); /* What movement types this space blocks */
126 MoveType move_slow; /* What movement types this space slows */ 132 MoveType ACC (RW, move_slow); /* What movement types this space slows */
127 MoveType move_on; /* What movement types are activated */ 133 MoveType ACC (RW, move_on); /* What movement types are activated */
128 MoveType move_off; /* What movement types are activated */ 134 MoveType ACC (RW, move_off); /* What movement types are activated */
129 135
130 void update_ (); 136 void update_ ();
131 void update () 137 MTH void update ()
132 { 138 {
133 if (!(flags_ & P_UPTODATE)) 139 if (!(flags_ & P_UPTODATE))
134 update_ (); 140 update_ ();
135 } 141 }
136 142
137 uint8 flags () 143 MTH uint8 flags ()
138 { 144 {
139 update (); 145 update ();
140 return flags_; 146 return flags_;
141 } 147 }
148
149 MTH void invalidate ()
150 {
151 flags_ = 0;
152 }
142 153
143 // maybe only inline quick flags_ checking?
144 object *player () 154 MTH object *player ()
145 { 155 {
146 // search from the top, because players are usually on top 156 object *op;
147 // make usually == always and this non-amortized O(1) 157
148 // could gte rid of P_PLAYER, too, then
149 if (flags () & P_PLAYER) 158 if (flags () & P_PLAYER)
150 for (object *op = top; op; op = op->below) 159 for (op = top; op->type != PLAYER; op = op->below)
151 if (op->type == PLAYER) 160 ;
152 return op; 161 else
162 op = 0;
153 163
154 return 0; 164 return op;
155 } 165 }
156 166
157 // return the item volume on this mapspace in cm³ 167 // return the item volume on this mapspace in cm³
158 uint64 volume () const; 168 MTH uint64 volume () const;
169
170 bool blocks (MoveType mt) const
171 {
172 return move_block && (mt & move_block) == mt;
173 }
174
175 bool blocks (object *op) const
176 {
177 return blocks (op->move_type);
178 }
179};
180
181// a rectangular area of a map
182struct maprect
183{
184 maptile *m;
185 int x0, y0;
186 int x1, y1;
187 int dx, dy; // offset to go from local coordinates to original tile */
159}; 188};
160 189
161struct shopitems : zero_initialised 190struct shopitems : zero_initialised
162{ 191{
163 const char *name; /* name of the item in question, null if it is the default item */ 192 const char *name; /* name of the item in question, null if it is the default item */
187struct maptile : zero_initialised, attachable 216struct maptile : zero_initialised, attachable
188{ 217{
189 sint32 ACC (RW, width), ACC (RW, height); /* Width and height of map. */ 218 sint32 ACC (RW, width), ACC (RW, height); /* Width and height of map. */
190 struct mapspace *spaces; /* Array of spaces on this map */ 219 struct mapspace *spaces; /* Array of spaces on this map */
191 uint8 *regions; /* region index per mapspace, if != 0 */ 220 uint8 *regions; /* region index per mapspace, if != 0 */
192 struct region **regionmap; /* index to region */ 221 region_ptr *regionmap; /* index to region */
193 222
194 tstamp ACC (RW, last_access); /* last time this map was accessed somehow */ 223 tstamp ACC (RW, last_access); /* last time this map was accessed somehow */
195 224
196 shstr ACC (RW, name); /* Name of map as given by its creator */ 225 shstr ACC (RW, name); /* Name of map as given by its creator */
197 struct region *ACC (RW, default_region); /* What jurisdiction in the game world this map is ruled by 226 region_ptr ACC (RW, default_region); /* What jurisdiction in the game world this map is ruled by
198 * points to the struct containing all the properties of 227 * points to the struct containing all the properties of
199 * the region */ 228 * the region */
200 double ACC (RW, reset_time); 229 double ACC (RW, reset_time);
201 uint32 ACC (RW, reset_timeout); /* How many seconds must elapse before this map 230 uint32 ACC (RW, reset_timeout); /* How many seconds must elapse before this map
202 * should be reset 231 * should be reset
203 */ 232 */
204 bool ACC (RW, dirty); /* if true, something was inserted or removed */ 233 bool ACC (RW, dirty); /* if true, something was inserted or removed */
234 bool ACC (RW, no_reset); // must not reset this map
205 bool ACC (RW, fixed_resettime); /* if true, reset time is not affected by 235 bool ACC (RW, fixed_resettime); /* if true, reset time is not affected by
206 * players entering/exiting map 236 * players entering/exiting map
207 */ 237 */
208 sint32 ACC (RW, timeout); /* swapout is set to this */ 238 sint32 ACC (RW, timeout); /* swapout is set to this */
209 sint32 ACC (RW, swap_time); /* When it reaches 0, the map will be swapped out */ 239 sint32 ACC (RW, swap_time); /* When it reaches 0, the map will be swapped out */
211 * be loaded before used. The map,omap and map_ob 241 * be loaded before used. The map,omap and map_ob
212 * arrays will be allocated when the map is loaded */ 242 * arrays will be allocated when the map is loaded */
213 sint16 players; /* How many players are on this map right now */ 243 sint16 players; /* How many players are on this map right now */
214 uint16 ACC (RW, difficulty); /* What level the player should be to play here */ 244 uint16 ACC (RW, difficulty); /* What level the player should be to play here */
215 245
216 bool ACC (RW, active); // wether this map is active or not
217 bool ACC (RW, per_player); 246 bool ACC (RW, per_player);
218 bool ACC (RW, per_party); 247 bool ACC (RW, per_party);
219 bool ACC (RW, outdoor); /* True if an outdoor map */ 248 bool ACC (RW, outdoor); /* True if an outdoor map */
220 bool ACC (RW, nodrop); /* avoid dropping anything on this map */ 249 bool ACC (RW, no_drop); /* avoid auto-dropping (on death) anything on this map */
221 uint8 ACC (RW, darkness); /* indicates level of darkness of map */ 250 sint8 ACC (RW, darkness); /* indicates level of darkness of map */
251 static sint8 outdoor_darkness; /* the global darkness level outside */
222 252
223 uint16 ACC (RW, enter_x); /* enter_x and enter_y are default entrance location */ 253 uint16 ACC (RW, enter_x); /* enter_x and enter_y are default entrance location */
224 uint16 ACC (RW, enter_y); /* on the map if none are set in the exit */ 254 uint16 ACC (RW, enter_y); /* on the map if none are set in the exit */
225 oblinkpt *buttons; /* Linked list of linked lists of buttons */ 255 oblinkpt *buttons; /* Linked list of linked lists of buttons */
226 sint16 ACC (RW, temp); /* base temperature of this tile (F) */ 256 sint16 ACC (RW, temp); /* base temperature of this tile (F) */
241 maptile *ACC (RW, tile_map[4]); /* Next map, linked list */ 271 maptile *ACC (RW, tile_map[4]); /* Next map, linked list */
242 shstr ACC (RW, path); /* Filename of the map */ 272 shstr ACC (RW, path); /* Filename of the map */
243 int ACC (RW, max_nrof); // maximum nrof of any single item on a mapspace 273 int ACC (RW, max_nrof); // maximum nrof of any single item on a mapspace
244 uint64 ACC (RW, max_volume); // maximum volume for all items on a mapspace 274 uint64 ACC (RW, max_volume); // maximum volume for all items on a mapspace
245 275
276 // the maptile:: is neccessary here for the perl interface to work
277 MTH sint8 darklevel (sint8 outside = maptile::outdoor_darkness) const
278 {
279 return clamp (outdoor ? darkness + outside : darkness, 0, MAX_DARKNESS);
280 }
281
282 static void adjust_daylight ();
283
246 MTH void activate (); 284 MTH void activate ();
247 MTH void deactivate (); 285 MTH void deactivate ();
248 286
249 // allocates all (empty) mapspace 287 // allocates all (empty) mapspace
250 MTH void alloc (); 288 MTH void alloc ();
251 // deallocates the mapspaces (and destroys all objects) 289 // deallocates the mapspaces (and destroys all objects)
252 MTH void clear (); 290 MTH void clear ();
253 291
254 MTH void fix_auto_apply (); 292 MTH void fix_auto_apply ();
255 MTH void decay_objects (); 293 MTH void do_decay_objects ();
256 MTH void update_buttons (); 294 MTH void update_buttons ();
257 MTH int change_map_light (int change); 295 MTH int change_map_light (int change);
258 static void change_all_map_light (int change); //PERL
259 MTH void set_darkness_map ();
260 MTH int estimate_difficulty () const; 296 MTH int estimate_difficulty () const;
297
298 MTH void play_sound (faceidx sound, int x, int y) const;
261 299
262 // set the given flag on all objects in the map 300 // set the given flag on all objects in the map
263 MTH void set_object_flag (int flag, int value = 1); 301 MTH void set_object_flag (int flag, int value = 1);
302 MTH void post_load_original ();
264 303
265 MTH void link_multipart_objects (); 304 MTH void link_multipart_objects ();
266 MTH void clear_unique_items (); 305 MTH void clear_unique_items ();
267 306
268 MTH void clear_header (); 307 MTH void clear_header ();
269 MTH void clear_links_to (maptile *m); 308 MTH void clear_links_to (maptile *m);
270 309
271 MTH struct region *region (int x, int y) const; 310 MTH struct region *region (int x, int y) const;
272 311
273 // loas the header pseudo-object 312 // load the header pseudo-object
274 bool _load_header (object_thawer &thawer); 313 bool _load_header (object_thawer &thawer);
275 MTH bool _load_header (const char *path); 314 MTH bool _load_header (object_thawer *thawer) { return _load_header (*thawer); }
276 315
277 // load objects into the map 316 // load objects into the map
278 bool _load_objects (object_thawer &thawer); 317 bool _load_objects (object_thawer &thawer);
279 MTH bool _load_objects (const char *path, bool skip_header = true); 318 MTH bool _load_objects (object_thawer *thawer) { return _load_objects (*thawer); }
280 319
281 // save objects into the given file (uses IO_ flags) 320 // save objects into the given file (uses IO_ flags)
282 bool _save_objects (object_freezer &freezer, int flags); 321 bool _save_objects (object_freezer &freezer, int flags);
283 MTH bool _save_objects (const char *path, int flags); 322 MTH bool _save_objects (const char *path, int flags);
284 323
296 MTH int size () const { return width * height; } 335 MTH int size () const { return width * height; }
297 336
298 MTH object *insert (object *op, int x, int y, object *originator = 0, int flags = 0); 337 MTH object *insert (object *op, int x, int y, object *originator = 0, int flags = 0);
299 338
300 MTH void touch () { last_access = runtime; } 339 MTH void touch () { last_access = runtime; }
340
341 MTH maptile *tile_available (int dir, bool load = true);
301 342
302 // find the map that is at coordinate x|y relative to this map 343 // find the map that is at coordinate x|y relative to this map
303 // TODO: need a better way than passing by reference 344 // TODO: need a better way than passing by reference
304 // TODO: make perl interface 345 // TODO: make perl interface
305 maptile *xy_find (sint16 &x, sint16 &y); 346 maptile *xy_find (sint16 &x, sint16 &y);
317 } 358 }
318 359
319 void make_map_floor (char **layout, char *floorstyle, random_map_params *RP); 360 void make_map_floor (char **layout, char *floorstyle, random_map_params *RP);
320 bool generate_random_map (random_map_params *RP); 361 bool generate_random_map (random_map_params *RP);
321 362
322 static maptile *find_async (const char *path, maptile *original = 0);//PERL 363 static maptile *find_async (const char *path, maptile *original = 0, bool load = true);//PERL
323 static maptile *find_sync (const char *path, maptile *original = 0);//PERL 364 static maptile *find_sync (const char *path, maptile *original = 0);//PERL
324 static maptile *find_style_sync (const char *dir, const char *file = 0);//PERL 365 static maptile *find_style_sync (const char *dir, const char *file = 0);//PERL
325 MTH object *pick_random_object () const; 366 object *pick_random_object (rand_gen &gen = rndm) const;
326 367
327 mapspace const &at (uint32 x, uint32 y) const { return spaces [x * height + y]; } 368 mapspace &at (uint32 x, uint32 y) const { return spaces [x * height + y]; }
328 mapspace &at (uint32 x, uint32 y) { return spaces [x * height + y]; } 369
370 // return an array of maprects corresponding
371 // to the given rectangular area. the last rect will have
372 // a 0 map pointer.
373 // the array will be stored in a static memory area,
374 // so recursion is not atm. supported
375 maprect *split_to_tiles (int x0, int y0, int x1, int y1);
329}; 376};
330 377
331/* This is used by get_rangevector to determine where the other 378/* This is used by get_rangevector to determine where the other
332 * creature is. get_rangevector takes into account map tiling, 379 * creature is. get_rangevector takes into account map tiling,
333 * so you just can not look the the map coordinates and get the 380 * so you just can not look the the map coordinates and get the
344 int distance_y; 391 int distance_y;
345 int direction; 392 int direction;
346 object *part; 393 object *part;
347}; 394};
348 395
396// comaptibility cruft start
349//TODO: these should be refactored into things like xy_normalise 397//TODO: these should be refactored into things like xy_normalise
350// and so on. 398// and so on.
351int get_map_flags (maptile *oldmap, maptile **newmap, sint16 x, sint16 y, sint16 *nx, sint16 *ny); 399int get_map_flags (maptile *oldmap, maptile **newmap, sint16 x, sint16 y, sint16 *nx, sint16 *ny);
352int ob_blocked (const object *ob, maptile *m, sint16 x, sint16 y);
353int out_of_map (maptile *m, int x, int y); 400int out_of_map (maptile *m, int x, int y);
354maptile *get_map_from_coord (maptile *m, sint16 *x, sint16 *y); 401maptile *get_map_from_coord (maptile *m, sint16 *x, sint16 *y);
355void get_rangevector (object *op1, object *op2, rv_vector *retval, int flags); 402void get_rangevector (object *op1, object *op2, rv_vector *retval, int flags);
356void get_rangevector_from_mapcoord (const maptile *m, int x, int y, const object *op2, rv_vector *retval, int flags); 403void get_rangevector_from_mapcoord (const maptile *m, int x, int y, const object *op2, rv_vector *retval, int flags);
357int on_same_map (const object *op1, const object *op2); 404int on_same_map (const object *op1, const object *op2);
358int adjacent_map (const maptile *map1, const maptile *map2, int *dx, int *dy); 405int adjacent_map (const maptile *map1, const maptile *map2, int *dx, int *dy);
359 406
360// adjust map, x and y for tiled maps and return true if the position is valid at all 407// adjust map, x and y for tiled maps and return true if the position is valid at all
361inline bool 408static inline bool
362xy_normalise (maptile *&map, sint16 &x, sint16 &y) 409xy_normalise (maptile *&map, sint16 &x, sint16 &y)
363{ 410{
364 // when in range, do a quick return, otherwise go the slow route 411 // when in range, do a quick return, otherwise go the slow route
365 return 412 return
366 (IN_RANGE_EXC (x, 0, map->width) && IN_RANGE_EXC (y, 0, map->height)) 413 (IN_RANGE_EXC (x, 0, map->width) && IN_RANGE_EXC (y, 0, map->height))
367 || !(get_map_flags (map, &map, x, y, &x, &y) & P_OUT_OF_MAP); 414 || !(get_map_flags (map, &map, x, y, &x, &y) & P_OUT_OF_MAP);
368} 415}
416// comaptibility cruft end
369 417
370inline mapspace & 418inline mapspace &
371object::ms () const 419object::ms () const
372{ 420{
373 return map->at (x, y); 421 return map->at (x, y);
374} 422}
375 423
424struct mapxy {
425 maptile *m;
426 sint16 x, y;
427
428 mapxy (maptile *m, sint16 x, sint16 y)
429 : m(m), x(x), y(y)
430 { }
431
432 mapxy (object *op)
433 : m(op->map), x(op->x), y(op->y)
434 { }
435
436 mapxy &move (int dx, int dy)
437 {
438 x += dx;
439 y += dy;
440
441 return *this;
442 }
443
444 mapxy &move (int dir)
445 {
446 return move (freearr_x [dir], freearr_y [dir]);
447 }
448
449 operator void *() const { return (void *)m; }
450 mapxy &operator =(const object *op)
451 {
452 m = op->map;
453 x = op->x;
454 y = op->y;
455
456 return *this;
457 }
458
459 mapspace *operator ->() const { return &m->at (x, y); }
460 mapspace &operator * () const { return m->at (x, y); }
461
462 bool normalise ()
463 {
464 return xy_normalise (m, x, y);
465 }
466
467 mapspace &ms () const
468 {
469 return m->at (x, y);
470 }
471
472 object *insert (object *op, object *originator = 0, int flags = 0) const
473 {
474 return m->insert (op, x, y, originator, flags);
475 }
476};
477
478inline const mapxy &
479object::operator =(const mapxy &pos)
480{
481 map = pos.m;
482 x = pos.x;
483 y = pos.y;
484
485 return pos;
486}
487
488// iterate over a rectangular area relative to op
489// can be used as a single statement, but both iterate macros
490// invocations must not be followed by a ";"
491// see common/los.C for usage example
492// the walk will be ordered, outer loop x, inner loop y
493// m will be set to the map (or 0), nx, ny to the map coord, dx, dy to the offset relative to op
494#define ordered_mapwalk_begin(op,dx0,dy0,dx1,dy1) \
495 for (int dx = (dx0); dx <= (dx1); ++dx) \
496 { \
497 sint16 nx, ny; \
498 maptile *m = 0; \
499 \
500 for (int dy = (dy0); dy <= (dy1); ++dy) \
501 { \
502 /* check to see if we can simply go one down quickly, */ \
503 /* if not, do it the slow way */ \
504 if (!m || ++ny >= m->height) \
505 { \
506 nx = (op)->x + dx; ny = (op)->y + dy; m = (op)->map; \
507 \
508 if (!xy_normalise (m, nx, ny)) \
509 m = 0; \
510 }
511
512#define ordered_mapwalk_end \
513 } \
514 }
515
516// loop over every space in the given maprect,
517// setting m, nx, ny to the map and -coordinate and dx, dy to the offste relative to dx0,dy0
518// the iterator code must be a single statement following this macro call, similar to "if"
519#define rect_mapwalk(rect,dx0,dy0) \
520 statementvar (maptile *, m, (rect)->m) \
521 for (int nx = (rect)->x0; nx < (rect)->x1; ++nx) \
522 for (int ny = (rect)->y0; ny < (rect)->y1; ++ny) \
523 statementvar (int, dx, nx + (rect)->dx - (dx0)) \
524 statementvar (int, dy, ny + (rect)->dy - (dy0))
525
526// same as above, but the walk will not follow any particular
527// order (unorded), but is likely faster.
528// m will be set to the map (never 0!), nx, ny to the map coord, dx, dy to the offset relative to op
529#define unordered_mapwalk(op,dx0,dy0,dx1,dy1) \
530 for (maprect *r_e_c_t = (op)->map->split_to_tiles ( \
531 (op)->x + (dx0) , (op)->y + (dy0) , \
532 (op)->x + (dx1) + 1, (op)->y + (dy1) + 1); \
533 r_e_c_t->m; \
534 ++r_e_c_t) \
535 rect_mapwalk (r_e_c_t, (op)->x, (op)->y)
536
376#endif 537#endif
377 538

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